From: leonidk <leonidk@ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86>
Date: Thu, 30 Oct 2008 15:10:53 +0000 (+0000)
Subject: [MLX4] improved error logging: write command failures to Event Log with error code... 
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=f203dcecdad288115702fc35ddec6d691ba66cc2;p=~shefty%2Frdma-win.git

[MLX4] improved error logging: write command failures to Event Log with error code, returned by HW. [mlnx: 3405]

git-svn-id: svn://openib.tc.cornell.edu/gen1@1715 ad392aa1-c5ef-ae45-8dd8-e69d62a5ef86
---

diff --git a/branches/WOF2-0/trunk/hw/mlx4/kernel/bus/net/cmd.c b/branches/WOF2-0/trunk/hw/mlx4/kernel/bus/net/cmd.c
index a27a638c..b754946b 100644
--- a/branches/WOF2-0/trunk/hw/mlx4/kernel/bus/net/cmd.c
+++ b/branches/WOF2-0/trunk/hw/mlx4/kernel/bus/net/cmd.c
@@ -208,6 +208,7 @@ static int mlx4_cmd_poll(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
 	u8 __iomem *hcr = priv->cmd.hcr;
 	int err = 0;
 	u64 end;
+	u8 status;
 
 	down(&priv->cmd.poll_sem);
 
@@ -232,8 +233,11 @@ static int mlx4_cmd_poll(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
 			(u64) be32_to_cpu((__force __be32)
 					  __raw_readl(hcr + HCR_OUT_PARAM_OFFSET + 4));
 
-	err = mlx4_status_to_errno((u8)(be32_to_cpu((__force __be32)
-					       __raw_readl(hcr + HCR_STATUS_OFFSET)) >> 24));
+	status = (u8)(be32_to_cpu((__force __be32)__raw_readl(hcr + HCR_STATUS_OFFSET)) >> 24);
+	err = mlx4_status_to_errno(status);
+	if (status)
+		mlx4_err(dev, "Command failed: op %#hx, status %d, errno %d.\n", 
+			op, status, err);
 
 out:
 	up(&priv->cmd.poll_sem);
@@ -251,6 +255,10 @@ void mlx4_cmd_event(struct mlx4_dev *dev, u16 token, u8 status, u64 out_param)
 		return;
 
 	context->result    = mlx4_status_to_errno(status);
+	
+	if (status)
+		mlx4_err(dev, "Command failed: token %#hx, status %d, errno %d.\n", 
+			token, status, context->result);
 	context->out_param = out_param;
 
 	complete(&context->done);
@@ -280,7 +288,7 @@ static int mlx4_cmd_wait(struct mlx4_dev *dev, u64 in_param, u64 *out_param,
 
 	if (wait_for_completion_timeout(&context->done, msecs_to_jiffies(timeout))) {
 		if (!context->done.done) {
-			static int spam_limit = 10;
+			static int spam_limit = 5;
 			err = -EBUSY;
 			if (spam_limit-- > 0)
 				mlx4_err(dev, "mlx4_cmd_wait: Command %02x completed with timeout after %d secs \n",